Polybromoprene
[化] 聚溴丁二烯
🗣️ 情景例句
Pretty good, but I got caught in a traffic jam in Beijing.
很好，不过在北京碰上了交通阻塞。
Alice did not look at the students.
爱丽斯没有看到学生。
Was he absent from school last week?
上星期他没上学吧？